CN209869236U - High-pressure mixing head for polyurethane foaming - Google Patents
High-pressure mixing head for polyurethane foaming Download PDFInfo
- Publication number
- CN209869236U CN209869236U CN201820350755.8U CN201820350755U CN209869236U CN 209869236 U CN209869236 U CN 209869236U CN 201820350755 U CN201820350755 U CN 201820350755U CN 209869236 U CN209869236 U CN 209869236U
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- CN
- China
- Prior art keywords
- cylinder
- push rod
- head
- piston
- hybrid chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005187 foaming Methods 0.000 title claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 17
- 239000004814 polyurethane Substances 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000003814 drug Substances 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a polyurethane foaming is with high-pressure mixing head, including rifle head, cylinder, hybrid chamber, piston, sealed push rod, the inside hybrid chamber that is equipped with of rifle head, hybrid chamber internally mounted have sealed push rod, and cylinder internally mounted has the piston, and rifle head top is connected with the cylinder bottom, and sealed push rod passes through piston rod and piston connection, cylinder top and bottom are equipped with first air inlet and second air inlet respectively, the hybrid chamber both sides are equipped with first feed inlet and second feed inlet respectively, are equipped with first flow accuracy control valve and second flow accuracy control valve on first feed inlet and the second feed inlet respectively. The utility model discloses a sealed push rod and hybrid chamber upper portion are the cylinder structure, and the lower part is the wide, the narrow inverted frustum shape structure in bottom in top, still can realize good sealed in great wearing and tearing within range, through setting up the accurate governing valve of flow, makes things convenient for the accurate of liquid medicine flow to adjust, and the structure is simpler, has saved the processing cost of mixing head greatly.
Description
Technical Field
The utility model belongs to the technical field of polyurethane product processing equipment and specifically relates to a polyurethane foaming is with high-pressure mixing head.
Background
Polyurethane foam is a material that people often used in daily life, it all has extensive use in the aspect of furniture, bedding, transportation, cold storage, building, thermal insulation, etc., need to have special foaming equipment to foam in polyurethane foam production process, and high-pressure mixing head is the last important part of foaming equipment, current high-pressure mixing head adopts cylindrical piston rod and the interior wall spare of piston rod passageway closely to cooperate mostly, realize opening and sealing the liquid medicine pipeline, do not have the function of adjusting the liquid medicine flow, and piston rod passageway inner wall wear easily, the phenomenon of leaking appears, lead to the life-span of mixing head low, and adopt complicated design, the mixing head manufacturing cost that high performance wear-resisting material made is too high, bring inconvenience for production.
SUMMERY OF THE UTILITY MODEL
In order to overcome current polyurethane foaming equipment mixing head does not have liquid medicine flow control function, easy wearing and tearing, leak the material, it is short-lived, wear-resisting mixing head manufacturing cost is too high defect again, the utility model provides a high-pressure mixing head is used in polyurethane foaming, sealed push rod and mixing chamber upper portion are cylinder structure lower part wide for the top, the narrow inverted frustum shape structure in bottom, still can realize good sealing in great wear range, through setting up the accurate governing valve of flow, make things convenient for the accurate regulation of liquid medicine flow, and the structure is simpler, has saved the processing cost of mixing head greatly.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a polyurethane foaming is with high-pressure mixing head, includes rifle head, cylinder, hybrid chamber, piston, sealed push rod, the inside hybrid chamber that is equipped with of rifle head, hybrid chamber internally mounted have sealed push rod, and cylinder internally mounted has the piston, and rifle head top is connected with the cylinder bottom, and sealed push rod passes through piston rod and piston connection, cylinder top and bottom are equipped with first air inlet and second air inlet respectively, the hybrid chamber both sides are equipped with first feed inlet and second feed inlet respectively, are equipped with first flow accurate control valve and second flow accurate control valve on first feed inlet and the second feed inlet respectively.
The high-pressure mixing head for polyurethane foaming is characterized in that the upper parts of the sealing push rod and the mixing cavity are of cylindrical structures, and the lower parts of the sealing push rod and the mixing cavity are of inverted truncated cone-shaped structures with wide top ends and narrow bottom ends.
According to the high-pressure mixing head for polyurethane foaming, the gun head is fixedly connected with the air cylinder through the bolt.
In the high-pressure mixing head for polyurethane foaming, the sealing gasket is arranged between the gun head and the air cylinder.
The first air inlet and the second air inlet are connected with an external air pressure control device.
Compared with the prior art the utility model has the advantages of it is following and outstanding effect:
the beneficial effects of the utility model are that, sealed push rod and hybrid chamber upper portion are cylinder structure lower part for the top is wide, the narrow inverted frustum shape structure in bottom, still can realize good sealing in great wearing and tearing scope, avoid because the hourglass material problem that wearing and tearing lead to, have prolonged the life of mixing head, through setting up the accurate governing valve of flow, make things convenient for the accurate of liquid medicine flow to adjust, are favorable to the accuse of product quality, the utility model discloses the structure is simpler, and processing is convenient, has saved the processing cost of mixing head greatly.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of the feed-closed state of the present invention;
fig. 2 is a schematic view of the feeding state section of the present invention.
In the figure, 1, a first air inlet, 2, a piston rod, 3, a second air inlet, 4, a first feeding hole, 5, a first flow precision regulating valve, 6, a sealing push rod, 7, a mixing cavity, 8, a second flow precision regulating valve, 9, a second feeding hole, 10, a gun head, 11, a piston and 12, an air cylinder are arranged.
Detailed Description
The utility model provides a polyurethane foaming is with high-pressure mixing head, includes rifle head 10, cylinder 12, hybrid chamber 7, piston 11, sealed push rod 6, rifle head 10 inside is equipped with hybrid chamber 7, and hybrid chamber 7 internally mounted has sealed push rod 6, and cylinder 12 internally mounted has piston 11, and rifle head 10 top is connected with cylinder 12 bottom, and sealed push rod 6 is connected with piston 11 through piston rod 2, cylinder 12 top and bottom are equipped with first air inlet 1 and second air inlet 3 respectively, hybrid chamber 7 both sides are equipped with first feed inlet 4 and second feed inlet 9 respectively, are equipped with first flow accurate control valve 5 and second flow accurate control valve 8 on first feed inlet 4 and the second feed inlet 9 respectively.
Furthermore, the upper parts of the sealing push rod 6 and the mixing cavity 7 are of cylindrical structures, and the lower parts of the sealing push rod and the mixing cavity are of inverted truncated cone-shaped structures with wide top ends and narrow bottom ends.
Further, the gun head 10 and the cylinder 12 are fixedly connected through bolts.
Further, a sealing gasket is arranged between the gun head 10 and the cylinder 12.
Further, the first air inlet 1 and the second air inlet 3 are connected with an external air pressure control device.
When the utility model works, the air pressure control device leads high-pressure gas into the second air inlet 3, the first air inlet 1 releases pressure, the piston 11 in the cylinder 12 moves upwards under the action of pressure difference, and then the piston rod 2 drives the sealing push rod 6 to move upwards, the first feed port 4 and the second feed port 9 are opened, two kinds of liquid medicine are respectively sprayed into the mixing cavity 7 through the first feed port 4 and the second feed port 9 to be mixed and then flow out, after the injection is finished, the air pressure control device leads high-pressure gas into the first air inlet 1, the second air inlet 3 releases pressure, the piston 11 in the cylinder 12 moves downwards under the action of pressure difference, and then the piston rod 2 drives the sealing push rod 6 to move downwards, the first feed port 4 and the second feed port 9 are blocked and sealed, the injection is stopped, and simultaneously the residual materials in the mixing cavity 7 are discharged, thereby achieving the effect of gun cleaning, the flow of the two kinds of liquid medicines can be conveniently adjusted by rotating the first flow precisely adjusting valve 5 and the second flow precisely adjusting valve 8.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (5)
1. A high-pressure mixing head for polyurethane foaming is characterized by comprising a gun head (10), a cylinder (12), a mixing cavity (7), a piston (11) and a sealing push rod (6), a mixing cavity (7) is arranged in the gun head (10), a sealing push rod (6) is arranged in the mixing cavity (7), a piston (11) is arranged in the cylinder (12), the top of the gun head (10) is connected with the bottom of the cylinder (12), the sealing push rod (6) is connected with the piston (11) through a piston rod (2), the top and the bottom of the cylinder (12) are respectively provided with a first air inlet (1) and a second air inlet (3), and a first feed port (4) and a second feed port (9) are respectively arranged on two sides of the mixing cavity (7), and a first flow accurate regulating valve (5) and a second flow accurate regulating valve (8) are respectively arranged on the first feed port (4) and the second feed port (9).
2. The high-pressure mixing head for polyurethane foaming according to claim 1, wherein the sealing push rod (6) and the mixing chamber (7) have a cylindrical structure at the upper part and an inverted truncated cone structure with a wide top end and a narrow bottom end at the lower part.
3. The high-pressure mixing head for polyurethane foaming according to claim 1, wherein the head (10) and the cylinder (12) are fixedly connected by bolts.
4. A high-pressure mixing head for polyurethane foaming according to claim 1 or 3, wherein a sealing gasket is provided between the head (10) and the cylinder (12).
5. A high-pressure mixing head for polyurethane foaming according to claim 1, wherein the first inlet port (1) and the second inlet port (3) are connected to an external air pressure control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820350755.8U CN209869236U (en) | 2018-03-15 | 2018-03-15 | High-pressure mixing head for polyurethane foaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820350755.8U CN209869236U (en) | 2018-03-15 | 2018-03-15 | High-pressure mixing head for polyurethane foaming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209869236U true CN209869236U (en) | 2019-12-31 |
Family
ID=68945849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820350755.8U Expired - Fee Related CN209869236U (en) | 2018-03-15 | 2018-03-15 | High-pressure mixing head for polyurethane foaming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209869236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659449A (en) * | 2020-12-03 | 2021-04-16 | 长虹美菱股份有限公司 | Conversion type polyurethane injection gun head |
-
2018
- 2018-03-15 CN CN201820350755.8U patent/CN209869236U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659449A (en) * | 2020-12-03 | 2021-04-16 | 长虹美菱股份有限公司 | Conversion type polyurethane injection gun head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210315 |